Bump log4net

Bumps [log4net](https://github.com/apache/logging-log4net) from 2.0.3 to 2.0.10.
- [Release notes](https://github.com/apache/logging-log4net/releases)
- [Changelog](https://github.com/apache/logging-log4net/blob/master/ReleaseInstructions.txt)
- [Commits](https://github.com/apache/logging-log4net/commits/rel/2.0.10)

Signed-off-by: dependabot[bot] <support@github.com>

Templates/ProjectTemplates/ZetboxApp/ZetboxApp.Solution/ZetboxApp.Server.Migrations/packages.config

@@ -2,7 +2,7 @@
 <packages>
   <package id="Autofac" version="3.5.2" targetFramework="net40" />
   <package id="LinqCube" version="1.0.46.0" targetFramework="net40" />
-  <package id="log4net" version="2.0.3" targetFramework="net40" />
+  <package id="log4net" version="2.0.10" targetFramework="net40" />
   <package id="zetboxBasic-Common" version="2.9.9" targetFramework="net40" />
   <package id="zetboxBasic-Server" version="2.9.9" targetFramework="net40" />
 </packages>